package jdbc;

import java.sql.Connection;
import java.sql.SQLException;
import java.sql.Statement;
import java.util.Scanner;

public class PWDDemo {
    public static void main(String[] args) {
        Scanner scan = new Scanner(System.in);
        System.out.println("请输入用户名");
        String username = scan.nextLine();
        System.out.println("请修改数据:");
        System.out.println("请输入密码:");
        String password = scan.nextLine();
        System.out.println("请输入昵称:");
        String nickname = scan.nextLine();
        System.out.println("请输入年龄:");
        int age = Integer.parseInt(scan.nextLine());
        try(Connection conn = DBUtil.getConnection();) {
            Statement statement = conn.createStatement();
            String sql = "UPDATE user SET password='"+password+"',nickname='"+nickname+"',age="+age + " WHERE username='"+username+"'";
            int num = statement.executeUpdate(sql);
            System.out.println(num>0?"成功":"失败");
        } catch (SQLException e) {
            e.printStackTrace();
        }
        System.out.println("修改成功");
    }
}
